noun · 10 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/dɪs.ɪn.tɪˈɡɹeɪ.ʃən/
General-American:/dɪsˌɪnd.əˈɡɹeɪ.ʃən/
General-American:[dɪsˌɪn.əˈɡɹeɪ.ʃən]
US:Recorded audio is listed in the source snapshot.
rhymes with -eɪʃən
CMU ARPABET:D IH0 S IH2 N T AH0 G R EY1 SH AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
CMU ARPABET 2:D IH0 S IH2 N AH0 G R EY1 SH AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A process by which anything disintegrates.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The condition of anything which has disintegrated.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
The wearing away or falling to pieces of rocks or strata, produced by atmospheric action, frost, ice, etc.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
The process of radioactive decay.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Qualifier: nuclear physics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
The process of radioactive decay.
The radioactive decay of a single atom.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Qualifier: nuclear physics
Examples
The sample exhibited an activity of three disintegrations per second.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
total destruction
Definition source: Princeton WordNet 3.0
Examples
bomb tests resulted in the annihilation of the atoll
Meaning relationships
Synonyms: annihilation
Antonyms: none provided
Broader terms: destruction, demolition, wipeout
Narrower terms: extinction, extermination
7
noun
Meaning 7
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: decay, radioactive decay
Antonyms: none provided
Broader terms: nuclear reaction
Narrower terms: alpha decay, beta decay
8
noun
Meaning 8
separation into component parts
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.